Fix Git 'index.lock file exists' Error
When you see the error fatal: Unable to create 'path/.git/index.lock': File exists....
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix VS Code Git Authentication Failed After Update
After updating Visual Studio Code, you may see an error like "Git: Authentication failed"...
Fix 'npm install' Permission Denied When Using Yarn
You run yarn install in a project and later try npm install only to hit...
How to Fix Chrome Memory Hogging on Windows and Mac
You open Chrome, and your system slows to a crawl. The fan spins up, apps lag, and Task Manager s...
Git Merge Conflict Checklist Before Merging
You're about to merge a branch, but you've been burned by merge conflicts before. This ch...
Docker Container Exits Immediately: Diagnosing Out of Memory
You start a Docker container and it exits within seconds. The logs show nothing obvious, or they ...
Issue queue
SitemapHow to Resolve Windows Defender Error 0x800704ec
Windows 11 No Internet but Connected: IPv4 Troubleshooting
Resolve Docker Build Canceled by Excluding Files
How to Turn Windows Defender Real-Time Protection Back On
How to Give Pull-Only Access to a Docker Registry
How to Fix DNS Probe Finished NXDOMAIN in Chrome
Docker Container Exits Right Away: Restart Policy Fix
How to Fix Git Push Rejected Non-Fast-Forward Error
Troubleshooting Nginx Proxy Pass Test Failures
CMD Commands to Fix ERR_NAME_NOT_RESOLVED Error
Fix Windows Cannot Access Shared Folder Error 0x80070035
VSCode IntelliSense Not Working for React: Fixes
Windows 11 No Internet but Connected: IPv4 Troubleshooting
Resolve Docker Build Canceled by Excluding Files
How to Turn Windows Defender Real-Time Protection Back On
How to Give Pull-Only Access to a Docker Registry
How to Fix DNS Probe Finished NXDOMAIN in Chrome
Docker Container Exits Right Away: Restart Policy Fix
How to Fix Git Push Rejected Non-Fast-Forward Error
Troubleshooting Nginx Proxy Pass Test Failures
CMD Commands to Fix ERR_NAME_NOT_RESOLVED Error
Fix Windows Cannot Access Shared Folder Error 0x80070035
VSCode IntelliSense Not Working for React: Fixes